參數(shù)資料
型號： LNK302D
廠商： POWER INTEGRATIONS INC
元件分類： 穩(wěn)壓器
英文描述： 0.2 A SWITCHING REGULATOR, 70 kHz SWITCHING FREQ-MAX, PDSO8
封裝： PLASTIC, SOP-8
文件頁數(shù)： 17/20頁
文件大?。?/td> 706K
代理商： LNK302D
2-6
Rev. I 11/08
6
LNK302/304-306
Table 2. Common Circuit Congurations Using LinkSwitch-TN. (continued on next page)
TOPOLOGY
BASIC CIRCUIT SCHEMATIC
KEY FEATURES
High-Side
Buck –
Direct
Feedback
1. Output referenced to input
2. Positive output (V
O) with respect to -VIN
3. Step down – V
O < VIN
4. Low cost direct feedback (±10% typ.)
High-Side
Buck –
Optocoupler
Feedback
1. Output referenced to input
2. Positive output (V
O) with respect to -VIN
3. Step down – V
O < VIN
4. Optocoupler feedback
- Accuracy only limited by reference
choice
- Low cost non-safety rated opto
- No pre-load required
5. Minimum no-load consumption
Low-Side
Buck –
Optocoupler
Feedback
1. Output referenced to input
2. Negative output (V
O) with respect to +VIN
3. Step down – V
O < VIN
4. Optocoupler feedback
- Accuracy only limited by reference
choice
- Low cost non-safety rated opto
- No pre-load required
- Ideal for driving LEDs
Low-Side
Buck –
Constant
Current LED
Driver
High-Side
Buck Boost –
Direct
Feedback
1. Output referenced to input
2. Negative output (V
O) with respect to +VIN
3. Step up/down – V
O > VIN or VO < VIN
4. Low cost direct feedback (±10% typ.)
5. Fail-safe – output is not subjected to input
voltage if the internal MOSFET fails
6. Ideal for driving LEDs – better accuracy
and temperature stability than Low-side
Buck constant current LED driver
High-Side
Buck Boost –
Constant
Current LED
Driver
V
O
V
IN
PI-3751-121003
+
FB
BP
S
D
LinkSwitch-TN
PI-3752-121003
+
BP
FB
D
S
V
O
V
IN
LinkSwitch-TN
PI-3753-111903
+
BP
FB
D
S
V
O
V
IN
LinkSwitch-TN
PI-3754-112103
+
BP
FB
D
S
V
IN
I
O
R =
V
F
V
F
I
O
V
O
V
IN
PI-3755-121003
+
FB
BP
S
D
LinkSwitch-TN
R
SENSE =
R
SENSE
300
Ω
2 k
Ω
2 V
I
O
I
O
100 nF
10
μF
50 V
V
IN
PI-3779-120803
+
FB
BP
S
D
LinkSwitch-TN
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LNK302DG 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 63 mA (MDCM) 80 mA (CCM) RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
LNK302DGTL 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:LinkSwitch-TN Family Lowest Component Count, Energy-Effi cient Off-Line Switcher IC
LNK302DG-TL 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 63 mA (MDCM) 80 mA (CCM) RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
LNK302DN 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 63 mA (MDCM) 80 mA (CCM) RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
LNK302DNTL 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:LinkSwitch-TN Family Lowest Component Count, Energy-Effi cient Off-Line Switcher IC
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